REVISION OF GENUS ZAMARADA 215 



The apices of the valves vary in length; in some examples the tip of the ventral margin 

 extends further than that of the dorsal margin (Text-fig. 359) ; in the holotype and in other 

 examples the relative lengths are reversed (Text-fig. 358). 



2 genitalia (PI. 75, figs 753, 754). Sterigma narrowed medially. Lamella antevaginalis 

 narrowed anteriorly; posterior margin excavate medially and minutely serrate. Lamella 

 postvaginalis shortly produced medioposteriorly, the extension minutely bilobate. 



Measurements. Fore wing: q 17-20 mm; $ 16-19 mm. Antennal pectinations: $ 8 X , 

 5 4 X diameter of shaft. 



Typical examples may be distinguished from platycephala by the clearer hyaline 

 area of the wings and by the more uniformly greyish brown non-hyaline terminal 

 area, with its heavily marked, darker subterminal fascia. Structurally the form 

 of the uncus and the tapered apices of the bifurcate valve in the male genitalia 

 and the form of the medially narrowed sterigma in the female genitalia are 

 diagnostic. 



Distribution. W. Africa, Senegal to Gabon, Fernando Po. 



Holotype <$, Ivory Coast: Bingerville, 1-7.vi.1915 (G. Melon), Geometridae 

 genitalia slide no. 7715, in BMNH. 



Paratypes. Senegal: Sedhiou, 4.L1917 (H. Castell), 1 2; ibidem, 5-12.vii.1917, 

 1 2; 1-20.X.1917, 2 2. Guinea: Rio Numez, Boke, 1 <$ (BMNH); Beyla (Dr Mir. 

 Mrdzek), 5 ^, 1 $ (MM, Brno). Sierra Leone: Bo, vi. 1969 (R. J. Revell), 2 $ 

 (BMNH). Liberia: Marshall Terr., Harbel, 16.1.1957 (R. M. Fox), 1 <$; ibidem, 

 9.xii.i956, 1 $ (both CM, Pittsburgh). Ivory Coast: Bingerville, vi-viii, xi 

 (G. Melon), 3 <J, 4 2 (all BMNH); Abidjan, 1 <J (NMK, Nairobi); Yapo-Sud, 22 km 

 S.S.E. of Agboville, 12-18. iv. 1969 (C. Herbulot), 1 $; Lamto, 36 km N.N.W. of 

 Tiassale, 20-23.lv. 1969 (C. Herbulot), 3 $, 1 2 (all coll. Herbulot, Paris). Ghana: 

 Bibiani (Bibianaha), 70 miles N.W. of Dunkwa (Dimkwa), 700 ft, 26.xi.1910 

 (H. G. F. Spnrrell), 1 2; Ashanti, Juaso (G. H. Gibbs), 1 <$; Juaso, 900 ft, 5.XU.1937 

 (G. S. Cansdale), 1 2; Kumasi, 3 2; 20 miles W. & N.W. of Sekondi (L. R. Tesch), 

 1 <J. Nigeria: Ibadan, 1954 (/. Bowden), 2 ^; Omo Forest, 23.vii.1960 (/. Riley), 

 1 ^; Lagos, 1^,1$; ibidem, vii. i960 (/. Boorman), 1 <$, 1 $; Iju, 15 miles N.N.E. 

 of Lagos, v. i960 (/. Boorman), 4 J; Ilesha (Capt. Humfrey), 1 <J, 1 ?; Niger Coast, 

 I (J; Sapele (F. W. Sampson), 1 $; Ikom, ii. 1957 (/. Boorman), 1 <$, 1 $; Old 

 Calabar (F. G. Pudney), 1 <$ (all BMNH). Cameroun: Manengouba, 1040 m., 

 20.X.1971 (P. Darge), 1 2; N'Kongsamba, 5.^.1958 (P. Darge), 1 <$ (both coll. 

 Herbulot, Paris); Ekona, 10.xii.1936, 1 $ (MRAC, Tervuren); Yaounde Stat., 

 11.vi.1897 (Carhap), 1 $ (MNHU, Berlin); Yaounde, 30.1.1970 (P. Darge), 1 <$ 

 (coll. Herbulot, Paris); Johann-Albrechts Hohe, 1896 (L. Conradt), 1 2; Bitje, 

 2000 ft (G. L. Bates), 1 <$ (both BMNH); Abong-Mbang, g.xi.1962, Oxford Univ. 

 Exped., 1 <$ (NMR, Bulawayo). Central African Republic: Bangui, hi. 1968 

 (P. Darge), 1 <J (coll. Herbulot, Paris). Zaire ('Belgian Congo'): Matadi, iv. 1931 

 (A. Dmnez), 1 $ (MNHN, Paris). Gabon: Mouila, io.x.1964 (P. Darge), 1 2 (coll. 

 Herbulot, Paris). 



Associated with bicuspida, but excluded from type-series. Fernando Po: 

 (W. Cooper), 1 2; Moka, 28.i-3.ii.1933 (W. H. T. Tarns), 3 <J, 1 2 (all BMNH); 

 Santa Isabel, 5JX.1916 (G. Tessmann), 1 $ (MNHU, Berlin). 



